No. 4 Hex Drivers | McMaster-Carr

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6 Products

Bit Sets


Hex Shank	Quick-Change Hex Shank

Have a range of bits ready to turn the most common screw styles and sizes.

Hex Shank—Also known as insert bits, these snap into hand tools. If you want to use them with power tools, attach a bit adapter (not included).

Quick-Change Hex Shank—Lock these bits directly into power tools. They won't wobble as much as bits paired with an adapter, so they are the best choice for high-precision tasks.

Steel—Best for dry environments, since moisture will cause these bits to rust.

	Adapters Included	Drive Tools Included	Material	Container Type		Each
For Hand Tools







	1/4" Hex Shank Size

	38	1 Adapter 1 Drive Tool 36 Bits	Drilled Spanner: No. 4, No. 6, No. 8, No. 10 (1" O'all Lg.) Phillips: No. 1 (1" O'all Lg.) - 1 ea. Phillips: No. 2 (1" O'all Lg.) - 2 ea. Pozidriv®: No. 0, No. 1, No. 2, No. 3 (1" O'all Lg.) Slotted: 5/16" Square: No. 1, No. 2, No. 3 (1" O'all Lg.) Tamper-Resistant Hex: 5/64", 3/32", 7/64", 1/8", 9/64", 5/32" (1" O'all Lg.) Tamper-Resistant Torx: T8, T10, T15, T20, T25, T27, T30, T40 (1" O'all Lg.) Torq-Set®: No. 6, No. 8, No. 10 (1" O'all Lg.) Tri-Wing®: No. 1, No. 2, No. 3, No. 4 (1" O'all Lg.)	1/4" Hex Drive Adapter	3 1/2" Lg. Ratchet Wrench	Steel	Plastic Case	000000	000000


	39	1 Drive Tool 2 Adapters 36 Bits	Drilled Spanner: No. 4, No. 6, No. 8, No. 10 (1" O'all Lg.) Phillips: No. 1, No. 2 (1" O'all Lg.) Pozidriv®: No. 0, No. 1, No. 2, No. 3 (1" O'all Lg.) Slotted: 1/4", 5/16" (1" O'all Lg.) Square: No. 1, No. 2, No. 3 (1" O'all Lg.) Tamper-Resistant Hex: 5/64", 3/32", 7/64", 1/8", 9/64", 5/32" (1" O'all Lg.) Tamper-Resistant Torx: T8, T10, T15, T20, T25, T27, T30, T40 (1" O'all Lg.) Torq-Set®: No. 6, No. 8, No. 10 (1" O'all Lg.) Tri-Wing®: No. 1, No. 2, No. 3, No. 4 (1" O'all Lg.)	1/4" Female Square Drive × 1/4" Female Hex Adapter 2 1/4" Lg. Bit Adapter for Power Tools	Screwdriver Handle	Steel	Plastic Case	0000000	00000
	100	4 Adapters 96 Bits	Drilled Spanner: No. 4, No. 6, No. 8, No. 10, No. 12, 1/4" (1" O'all Lg.)—1 ea. Hex (Inch): 0.050", 1/16", 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 3/16", 7/32", 1/4", 5/16", 3/8" (1" O'all Lg.)—1 ea. Hex (Metric): 1.5 mm, 2 mm, 2.5 mm, 3 mm, 4 mm, 5 mm, 6 mm, 7 mm, 8 mm (1" O'all Lg.)—1 ea. Phillips: No. 0 (1" O'all Lg.)—1 ea. Phillips: No. 1, No. 3 (1" O'all Lg.)—2 ea. Phillips: No. 2 (1" O'all Lg.)—4 ea. Pozidriv®: No. 1, No. 2, No. 3 (1" O'all Lg.)—1 ea. Screw-In Hook Driver Bit—1 ea. Slotted: 3/32", 1/8", 5/32", 3/16", 7/32", 1/4", 9/32", 5/16", 3/8" (1" O'all Lg.)—1 ea. Square: No. 0, No. 1, No. 2, No. 3, No. 4 (1" O'all Lg.)—1 ea. Tamper-Resistant Hex (Inch): 3/32", 7/64", 1/8", 9/64", 5/32", 3/16", 7/32", 1/4", 5/16" (1" O'all Lg.)—1 ea. Tamper-Resistant Hex (Metric): 2.5 mm, 3 mm, 4 mm, 5 mm, 6 mm, 8 mm (1" O'all Lg.)—1 ea. Tamper-Resistant Torx: T6, T7, T8, T9, T10, T15, T20, T25, T27, T30, T40 (1" O'all Lg.)—1 ea. Torx: T5, T6, T7, T8, T9, T10, T15, T20, T25, T27, T30, T40, T45, T50, T55 (1" O'all Lg.)—1 ea.	1/4" Male Square Drive × 1/4" Hex Shank Adapter (1" O'all Lg.) 1/4" Male Square Drive × 1/4" Hex Shank Adapter (2" O'all Lg.) 2 1/2" Lg. Bit Adapter for Power Tools Bit Adapter for Square Drive Tools	—	Steel	Plastic Case	000000	00000


	For Power Tools







					1/4" Quick-Change Hex Shank Size

					50	50 Bits	Hex (Inch): 0.050", 1/16", 5/64", 3/32", 7/64", 1/8", 9/64", 3/16", 7/32", 1/4" (2" O'all Lg.)—1 ea. Hex (Inch): 5/32" (2" O'all Lg.)—2 ea. Hex (Metric): 2 mm, 2.5 mm, 3 mm, 4 mm, 5 mm, 6 mm, 8 mm (2" O'all Lg.)—1 ea. Phillips: No. 0, No. 1, No. 2, No. 3, No. 4 (2" O'all Lg.)—1 ea. Slotted: 1/8", 9/64", 5/32", 3/16", 7/32", 1/4", 9/32", 5/16" (2" O'all Lg.)—1 ea. Square: No. 0, No. 1, No. 2, No. 3, No. 4 (2" O'all Lg.)—1 ea. Torx: T5, T6, T7, T8, T9, T10, T15, T20, T27, T30, T40 (2" O'all Lg.)—1 ea. Torx: T25 (2" O'all Lg.)—2 ea.	—	—	Steel	Plastic Case	000000	000000

Bit Screwdrivers

Cushion Grip

Don't lug around a toolbox full of drivers—just swap out the bit to drive multiple screw sizes and styles with one tool. The ultimate space savers, these bit screwdrivers are a smart solution for on-the-go jobs.

Corrosion-Resistant Stainless Steel—With solid stainless steel construction, these screwdrivers have no coating that could flake off and damage the screw drive. They resist salt water and chemicals better than steel screwdrivers, but are not quite as strong.

Cushion Grip—Made of soft plastic to make gripping and squeezing the handle more comfortable.

					Shaft		Bit
No. of Sizes	Sizes Included	For Bit Hex Shank Size	Overall Lg.	Material	Lg.	Overall Wd.	Material	Holding Mechanism	Grip Style		Each
26	Drilled Spanner: No. 4, No. 6, No. 8, No. 10 Tamper-Resistant Hex: 3/32", 7/64", 1/8", 9/64", 5/32", 3/16", 2 mm, 2.5 mm, 3 mm, 5 mm Tamper-Resistant Torx: T7, T8, T10, T15, T20, T25, T27, T30, T40 Torq-Set®: No. 6, No. 8, No. 10	1/4"	8 1/2"	Stainless Steel	3 3/8"	5/16"	Steel	Magnet	Cushion	0000000	000000

Impact Drivers

Hex

Phillips

Slotted

Break stuck screws free using screwdriver bits. Strike the end of the handle with a hammer to turn the bit and tighten or loosen fasteners. Use these tools as an impact wrench without the bit adapter.

	Sizes Included	Drive Size	Drive Direction	For Bit Hex Shank Size	Overall Lg.	Material	Bit Material	For Drive Style		Each
3/8" Square Drive



	16	Hex: 3 mm, 4 mm, 5 mm, 6 mm, 7 mm, 8 mm, 9 mm, 10 mm Phillips: No. 1, No. 2, No. 3, No. 4 Slotted: 1/4", 5/16", 3/8", 1/2"	1/4", 5/16", 3/8", 1/2", 3 mm, 4 mm, 5 mm, 6 mm, 7 mm, 8 mm, 9 mm, 10 mm, No. 1, No. 2, No. 3, No. 4	Clockwise and Counterclockwise	5/16"	6 1/4"	Steel	Steel	Hex, Phillips, Slotted	0000000	000000